Last name กรญา (กรญา 
, Korraya 
) , in the world, is a rare cognomen. The last name กรญา is habitual in Southern Asia, particularly India, where it is a very rare surname. Also, กรญา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| กรญา | Thailand |
| Korraya | India, Thailand |